Implement MODULE [IO-410] (#162)

Implementing the `MODULE.bazel` file for the usage with `bzl_mod`.

This changes is tested in:

- [x] starling-core as `WORKSPACE`
- [x] starling-core as `bzl_mod`

Author: martin4861

MODULE.bazel

@@ -0,0 +1,49 @@
+module(
+    name = "rules_swiftnav",
+    version = "0.1.0",
+    compatibility_level = 1,
+)
+
+# Core Bazel dependencies
+bazel_dep(name = "bazel_skylib", version = "1.4.1")
+bazel_dep(name = "platforms", version = "0.0.6")
+bazel_dep(name = "rules_cc", version = "0.0.9")
+bazel_dep(name = "rules_pkg", version = "0.9.1")
+
+# Register module extensions
+swift_cc_toolchain_ext = use_extension("@rules_swiftnav//cc:extensions.bzl", "swift_cc_toolchain_extension")
+use_repo(
+    swift_cc_toolchain_ext,
+    "aarch64-darwin-llvm",
+    "aarch64-linux-llvm",
+    "aarch64-linux-musl",
+    "aarch64-sysroot",
+    "arm-linux-musleabihf",
+    "darwin_gcc_arm_embedded_toolchain",
+    "gcc_arm_gnu_8_3_toolchain",
+    "llvm_mingw_toolchain",
+    "x86_64-darwin-llvm",
+    "x86_64-linux-llvm",
+    "x86_64-linux-musl",
+    "x86_64-sysroot",
+    "x86_64_linux_gcc_arm_embedded_toolchain",
+)
+
+register_toolchains(
+    "@rules_swiftnav//cc/toolchains/llvm/aarch64-darwin:cc-toolchain-aarch64-darwin",
+    "@rules_swiftnav//cc/toolchains/llvm/x86_64-darwin:cc-toolchain-x86_64-darwin",
+    "@rules_swiftnav//cc/toolchains/llvm/aarch64-linux:cc-toolchain-aarch64-linux",
+    "@rules_swiftnav//cc/toolchains/llvm/x86_64-linux:cc-toolchain-x86_64-linux",
+    "@rules_swiftnav//cc/toolchains/llvm/x86_64-linux:cc-toolchain-intel-mkl",
+    "@rules_swiftnav//cc/toolchains/llvm/x86_64-aarch64-linux:cc-toolchain-aarch64-bullseye-graviton2",
+    "@rules_swiftnav//cc/toolchains/llvm/x86_64-aarch64-linux:cc-toolchain-aarch64-bullseye-graviton3",
+    "@rules_swiftnav//cc/toolchains/musl/aarch64:toolchain",
+    "@rules_swiftnav//cc/toolchains/musl/armhf:toolchain",
+    "@rules_swiftnav//cc/toolchains/musl/x86_64:toolchain",
+    "@rules_swiftnav//cc/toolchains/llvm_x86_64_windows:mingw_toolchain",
+    "@rules_swiftnav//cc/toolchains/gcc_arm_embedded:toolchain",
+    "@rules_swiftnav//cc/toolchains/yocto_generic:toolchain",
+)
+
+yocto_generic_ext = use_extension("@rules_swiftnav//cc/toolchains/yocto_generic:yocto_generic_extension.bzl", "yocto_generic_extension")
+use_repo(yocto_generic_ext, "yocto_generic")